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Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering最新文献

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Analytical Approach to Maximization of Reservoir Reliability 油藏可靠度最大化的分析方法
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-10-25 DOI: 10.11408/JSIDRE1965.1996.805
K. Unami, T. Kawachi, Ken-ichi Kawakatsu, T. Maruyama
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引用次数: 1
Changes in Infiltration and Ion Exchange Subsequent to Gypsum Application to a Japanese Acid Soil 石膏对日本酸性土壤入渗和离子交换的影响
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-08-25 DOI: 10.11408/JSIDRE1965.1996.707
T. Nishimura
{"title":"Changes in Infiltration and Ion Exchange Subsequent to Gypsum Application to a Japanese Acid Soil","authors":"T. Nishimura","doi":"10.11408/JSIDRE1965.1996.707","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.707","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123965971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Estimation of Plant Transpiration by Imitation Leaf Temperature 利用模拟叶温估算植物蒸腾作用
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-06-25 DOI: 10.11408/JSIDRE1965.1996.401
G. Qiu, K. Momii, T. Yano
{"title":"Estimation of Plant Transpiration by Imitation Leaf Temperature","authors":"G. Qiu, K. Momii, T. Yano","doi":"10.11408/JSIDRE1965.1996.401","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.401","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126742785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Experiment on Transformation and Movement of Nitrogen in Paddy Soil as Influenced by Aerobic and Anaerobic Environment 好氧和厌氧环境对水稻土氮素转化运动的影响
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-06-25 DOI: 10.11408/JSIDRE1965.1996.497
M. Abbas, H. Nakasone, H. Kuroda
{"title":"Experiment on Transformation and Movement of Nitrogen in Paddy Soil as Influenced by Aerobic and Anaerobic Environment","authors":"M. Abbas, H. Nakasone, H. Kuroda","doi":"10.11408/JSIDRE1965.1996.497","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.497","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128398625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of Microirrigation Submain Units using the Lateral Discharge Equation 利用侧流量方程设计微灌副机组
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-04-25 DOI: 10.11408/JSIDRE1965.1996.241
Yaohu Kang, S. Nishiyama
{"title":"Design of Microirrigation Submain Units using the Lateral Discharge Equation","authors":"Yaohu Kang, S. Nishiyama","doi":"10.11408/JSIDRE1965.1996.241","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.241","url":null,"abstract":"A method was developed for designing microirrigation submain units. Hydraulic analysis is implemented by combining the lateral discharge equation, the back step method, the forward step method, and the golden section search. When the required uniformity of water application, the required average emitter discharge, one parameter of the lateral length and diameter, one parameter of the submain length and diameter, and the field conditions are given, the unknown parameters of the lateral and submain, the best submain position (paired laterals), and the operating pressure head of a submain unit can be accurately designed using a personal computer. The calculations in design procedures are simple and fast. It was found that the lengths of a lateral and submain may have two or three solutions and the diameters may have two solutions for some values of a uniformity coefficient of water application in slope conditions.","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124343862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Optimal Control of Open Channel Unsteady Flow Governed by Partial Differential Equation 基于偏微分方程的明渠非定常流的最优控制
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-02-25 DOI: 10.11408/JSIDRE1965.1996.49
K. Unami, T. Kawachi, M. Yangyuoru
{"title":"Optimal Control of Open Channel Unsteady Flow Governed by Partial Differential Equation","authors":"K. Unami, T. Kawachi, M. Yangyuoru","doi":"10.11408/JSIDRE1965.1996.49","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.49","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"17 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132532247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Reduction of Hydraulic Conductivity Due to Microbial Effects 微生物作用导致的水力导电性降低
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1996-02-25 DOI: 10.11408/JSIDRE1965.1996.137
K. Seki, T. Miyazaki, M. Nakano
{"title":"Reduction of Hydraulic Conductivity Due to Microbial Effects","authors":"K. Seki, T. Miyazaki, M. Nakano","doi":"10.11408/JSIDRE1965.1996.137","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1996.137","url":null,"abstract":"A series of column experiments were carried out to elucidate the effects of microorganisms on reduction in the saturated hydraulic conductivity, Ks, of paddy field soil. The Ks of surface 1 cm layer decreased 2 orders of magnitude during 118 day period of percolation of 50 ppm glucose solution. After the alternation of percolation to germicide (NaN3), Ks increased rapidly. Population of bacteria near the surface did not increase, but that of fungi near the surface increased hundred times. Therefore it was proved that the first cause of Ks reduction is clogging of soil pores by hyphae of fungi and microbial synthesized products. The second cause of Ks reduction is occlusion of pore space by gas produced by anaerobic bacteria. The redox potential of all depths was below-150 mV at 15 day, which was sufficiently met for the CH4 production. From calculation of production and resolving rate, it was explained that all CO2 resolved in percolation, and that CH4 did not resolve perfectly. It is estimated that 14% of gas filled pore was occluded by CH4 gas and the occlusion contributed to the Ks reduction.","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121561921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
On the Non-Linearity and Anisotropy of Seepage Flow in Compacted Soils 压实土渗流的非线性和各向异性研究
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1995-12-25 DOI: 10.11408/JSIDRE1965.1995.693
W. Gasaluck, Masaki Ato, K. Ohno, T. Kondo
{"title":"On the Non-Linearity and Anisotropy of Seepage Flow in Compacted Soils","authors":"W. Gasaluck, Masaki Ato, K. Ohno, T. Kondo","doi":"10.11408/JSIDRE1965.1995.693","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1995.693","url":null,"abstract":"10 soil samples included coarse sand, fine sand, sandy silt, and silty clay were recompacted in cylindrical and cubic molds for 1 and 2-directions falling-head permeability test respectively. The results represent that even though unsaturated condition in compacted soils caused the seepage flow to be non-linear, Darcy's law could be applied approximately. Deviation from Darcy's law becomes enormous only if hydraulic gradient is less than 1. Ratio of horizontal discharge flux to vertical discharge flux is roughly constant when hydraulic gradient is greater than 1. The smaller the hydraulic gradient is, the more the ratio varies. Method of compaction hardly affected flow behavior in coarse sand. According to 2-directions test results, anisotropy affected the soils which is finer than coarse sand.","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"259 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115019500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
An Adaptation of Diagnostic Numerical Model of Residual Current to Bungo Channel, Japan 余流诊断数值模式在日本本古海峡的适应
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1995-12-25 DOI: 10.11408/JSIDRE1965.1995.767
M. Fujihara, T. Kawachi
{"title":"An Adaptation of Diagnostic Numerical Model of Residual Current to Bungo Channel, Japan","authors":"M. Fujihara, T. Kawachi","doi":"10.11408/JSIDRE1965.1995.767","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1995.767","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"26 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114136320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Stability of Earth Dams Subjected to Storms with Changing External Water Levels 外部水位变化的风暴对土坝稳定性的影响
Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering Pub Date : 1995-12-25 DOI: 10.11408/JSIDRE1965.1995.777
T. Morii, K. Hattori, T. Hasegawa, K. Shimada
{"title":"Stability of Earth Dams Subjected to Storms with Changing External Water Levels","authors":"T. Morii, K. Hattori, T. Hasegawa, K. Shimada","doi":"10.11408/JSIDRE1965.1995.777","DOIUrl":"https://doi.org/10.11408/JSIDRE1965.1995.777","url":null,"abstract":"","PeriodicalId":373295,"journal":{"name":"Transactions of the Japanese Society of Irrigation, Drainage and Reclamation Engineering","volume":"127 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122534797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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